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\chapter*{Preface}
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The Workshop on Natural Language Processing and Web-based technologies (NLPW) 
is a new initiative which aims at offering an insight into current research and 
developments within the interdisciplinary field of Natural Language Processing. 
NLPW 2010 is the first edition of an annual workshop which will move around 
Argentina (and probably Latin-America). This workshop aims at providing a forum 
for researchers at all levels and from heterogeneous backgrounds to present 
their work within field of Natural Language Processing, including those topics 
where Computational Linguistics and Web-based technologies intersect. It also 
aims to promote the area of Computational Linguistics in Argentina in 
particular and in Latin America in general.
This first edition of NLPW is held in Bahia Blanca on 1 November 2010, as a 
satellite event of the 12th edition of the Ibero-American Conference on 
Artificial Intelligence. Our invited speaker is Aline Villavicencio from the 
Federal University of Rio Grande do Sul (Brazil). 

This proceedings volume contains papers from the main session of the workshop 
as well as papers presented at the Student Session of the workshop. 
The Programme Committee received 27 paper submissions. Of these submissions 11 
were accepted and will be presented as oral presentations and 6 were 
accepted and will be presented as poster presentations in the student session
of the workshop. All these papers will be made available on the NLPW website. 
 
We would like to thank the members of the Programme Committee for the time and 
care that they invested in ensuring that
a high standard of scholarship was achieved for the conference and its 
proceedings. Special thanks go to the authors for their contributions,
which demostrate that the field of Natural Language Processing is alive and 
kicking in Latin America. Finally, we are pleased
to acknowledge the support that the conference received from the following 
organisations: The Universidad Nacional de C\'ordoba and the North American Association
for Computational Linguistics. 

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\begin{it}
Laura Alonso Alemany - Univ. Nacional de C\'ordoba, Argentina \\
Luciana Benotti - Univ. Nacional de C\'ordoba, Argentina \\
Marcelo Errecalde - LIDIC, Univ. Nacional de San Luis, Argentina \\
Paolo Rosso - NLE Lab., ELiRF, DSIC, Univ. Polit\'ecnica de Valencia, Spain \\
Programme Chairs NLPW 2010 \\
October 2010
\end{it}
\end{flushright}

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\chapter*{Programme Committee}

Laura Alonso Alemany, UNC, Argentina \\
I\~naki Alegr\'ia, UPV/EHU, Spain\\
Toni Badia, UPF, Spain\\
Luciana Benotti, UNC, Argentina \\
Jos\'e Casta\~no, UBA, Argentina\\
V\'ictor Castel, UNCuyo-Conicet, Argentina\\
Irene Castell\'on, UB, Spain\\
Bento Dias-da-Silva, UEP, Brazil\\
Marcelo Errecalde, LIDIC, UNSL, Argentina \\
Agust\'in Gravano, UBA, Argentina\\
Maria Fuentes Fort, UPC, Spain\\
Ana Maguitman, UNS, Argentina\\
Antonio Molina, UPV, Spain\\
Manuel Montes y G\'omez, INAOE, M\'exico\\
Paloma Moreda, UA, Spain\\
Lidia Moreno, UPV, Spain\\
Thiago Pardo, USP, Brazil\\
Luis Pineda, UNAM, Mexico\\
Horacio Rodr\'iguez, UPC, Spain\\
Sandra Roger, UNComa, Argentina\\
Paolo Rosso, UPV, Spain \\
Horacio Saggion, UPF, Spain\\
Paulo Schreiner, FYRGS, Brazil\\
Vera Lucia Strube de Lima PUC-RS, Brazil\\
Jos\'e Troyano, Universidad de Sevilla, Spain\\
Aline Villavicencio, FYRGS, Brazil\\
Dina Wonsever, UdelaR, Uruguay\\


\tableofcontents
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\mainmatter              % start of the contributions

\addtocmark{Main Session}

\toctitle{A Method for Extracting Hyponymy-Hypernymy
Relations from Specialized Corpora using Genus
Terms}  % used for the TOC 
\tocauthor{Olga Acosta, C\'esar Aguilar and Gerardo Sierra} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/acosta_etal.pdf}

\toctitle{Resolving prepositional phrase attachment ambiguities in Spanish with a classifier}  % used for the TOC 
\tocauthor{Nora Aguilar, Laura Alonso Alemany, Marina Lloberes and Irene Castell\'on} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/aguilar_etal.pdf}

\toctitle{Automatic Question Categorization: a New Approach for Text Elaboration}  % used for the TOC 
\tocauthor{Marcelo Adriano Amancio, Magali Sanches Duran and Sandra Maria Aluisio} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Amancio_Duran_Aluisio.pdf}

\toctitle{Alignment of Portuguese-English syntactic trees using part-of-speech filters}  % used for the TOC 
\tocauthor{Josu\'e Ara\'ujo and Helena Caseli} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Araujo_Caseli.pdf}

\toctitle{Training classifiers with unlabeled data}  % used for the TOC 
\tocauthor{Basilia Campos, David Pinto, Azucena Montes, H\'ector Jim\'enez-Salazar} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Campos_Pinto_et_al.pdf}

\toctitle{Constraints on System Entrance in a Systemic
Functional Generator}  % used for the TOC 
\tocauthor{V\'ictor Castel} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Castel.pdf}

\toctitle{An\'alisis de dependencias no supervisado basado en
Gram\'aticas Bil\'exicas}  % used for the TOC 
\tocauthor{Mart\'in Dom\'inguez, Gabriel Infante-L\'opez and Franco Luque} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Dominguez-infante-Luque.pdf}

\toctitle{A Particle Swarm Optimizer to cluster short-text corpora: a performance study}  % used for the TOC 
\tocauthor{Diego Ingaramo, Leticia Cagnina, Marcelo Errecalde, and
Paolo Rosso} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-9}, scale=1, pagecommand={}]{camera-ready/Ingaramo_Cagnina_Errecalde_Rosso.pdf}

\toctitle{Clustering Iterativo de Textos Cortos con
Representaciones basadas en Conceptos}  % used for the TOC 
\tocauthor{Diego Ingaramo, Mar\'ia Rosas, Marcelo Errecalde, and
Paolo Rosso} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Ingaramo_Rosas_Errecalde_Rosso.pdf}

\toctitle{A survey of kernel methods for relation
extraction
}  % used for the TOC 
\tocauthor{Guillermo Moncecchi, Jean-Luc Minel and Dina Wonsever
} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-9}, scale=1, pagecommand={}]{camera-ready/moncecchi_A_survey.pdf}

\toctitle{Comparaci\'on de dos m\'etodos para la extracci\'on de
opiniones en textos en espa\~nol
}  % used for the TOC 
\tocauthor{Aiala Ros\'a, Dina Wonsever, Jean-luc Minel
} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Rosa_Wonsever_Minel.pdf}


\addtocmark{Student Session}

\toctitle{Cultural adaptation of content for ICTs considering
different levels of literacy and textual equivalents}  % used for the TOC 
\tocauthor{Vanessa M. Aguiar de Magalhaes, Junia Coutinho Anacleto, Marcos Alexandre Rose
Silva, Gilberto Astolfo, Tercia Zavaglia Torres} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Aguiar_etal.pdf}

\toctitle{Extensi\'on para un generador de instrucciones GIVE: Landmarks en
Navegaci\'on}  % used for the TOC 

\tocauthor{Mar\'ia Celeste Gunski and Daniel Koile} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-9}, scale=1, pagecommand={}]{camera-ready/gunski-koile.pdf}

\toctitle{Generation of Useful Instructions in a Virtual Environment}  % used for the TOC 
\tocauthor{Miguel Mart\'inez Soler and Christian Cossio Mercado} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-9}, scale=1, pagecommand={}]{camera-ready/martinez-cossio.pdf}

\toctitle{Enriching the Bioscope Corpus with Lexical and
Syntactic Information}  % used for the TOC 
\tocauthor{Guillermo Moncecchi, Jean-Luc Minel and Dina Wonsever} % list of authors for the TOC 
\tocnuevaentrada
\includepdf[pages={1-10}, scale=1, pagecommand={}]{camera-ready/Moncecchi_Minel_Wonsever.pdf}



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